Liquid mixing valve



Sept. 5, 1950 K. M. NEWCOMER 2,

LIQUID MIXING VALVE Filed July 27, 1949 2 Sheets-Sheet 1 4; I 'W/ I5Z g 1 M 5' INVENTOR} fi 66 Z9 eniM/Vezwamei" Sept. 5, 1950 K. M. NEWCOMER LIQUID MIXING VALVE 2 Sheets-Sheet 2 Filed July 27, 1949 I N VEN TOR.

a m w W M w 5 Y E N R U n A Patented Sept. 5, 1950 UNITED STATES PATENT FF E Application. J uly 27', 1949, Serial No. 107,003

5 Claims. (01. 277-48) I This invention relates to a valve, and more particularly to a valve for dispensing, liquids, such. as hot and cold water.

The object of the invention is to provide a manually operable valve wherein a pair of separate streams, such. as hot and cold. water, can be mixed and dispensed as a single stream.

Another object of the invention is to provide a valve which is, connected= to a pair of liquid supply sources of dilierent' temperatures, and wherein the valve is manually operated to -.dispens'e a single stream of liquid of any desired temperature and volume.

Still another object of the invention is to provide a liquid mixing valve wherein a novel gear arrangement is operatively connected to an actuating level", the gear arrangement being so constructed that excessive pressure thereon is prevented.

A further object of the invention is to provide a liquid mixing Valve which is extremely simple and inexpensive to manufacture;

Other objects and advantages will be apparent during the course of the following description.

1 In the accompanying drawings, forming a part of' this application, and in which like numerals are used to designate like: parts throughout the same:

Figure 1 is a top plan view of the liquid mixing valve, with the hand lever in the raised post-- tion and closing both inlet ports;

Figure 2 is a top plan view of the valve, with the handlever in lowered position and opening. both inlet ports;

. Figure 3 is a sectional view taken on the line 3-3 of Figure 2;

Figure 4 is a view similar to Figure 2, but with the hand lever rotated so as to close one inlet port and open the other;

Figure 5 is. a sectional view taken on the line 5-5 of Figure 1;

Figure 6 is a sectional. view taken on the line 6'6 of Figure 2; s

: Figure 7 is a top plan view of. the split. gear;

Figure 8 is an end elevationalview of the split gear of Figure 7 Figure 9' is a top plan view of the turn table;

Figure 10.- is a side elevational view of the turn table of. Figure 9.

Referring. in detail to: the drawings, the nue meral Hl designates a. hollow body which has a pouring spout It projecting therefrom. The pouring spout H is. provided with. a passageway 12. therein and the passageway t2 communicates 2 with a mixing cavity i3 which is arrangedin thebody HI. Arranged in threaded engagement with the bottom of the body "I is a pair of exteriorly thread} ed nipples l4 and I5 which are adapted tob'e' connected to separate sources of liquid, such' as hot and cold water.. Water passes from a source of supply through the hippie It, then through a port [6 and into the valve cavity [3. Similarly; the other stream or water is adapted to now through the other nipple I 5, then through a port I? and into the cavity t3. A valve I8 is mounted for movement into and out of closing relation; with respect to the port f6, and the valve ['8 has a stern I' Q secured thereto. Likewise, a valve 2 mounted for movement into and out of "clos-f ing relation with respect to the other port t1"; the valve 20 having a stem 2t secured thereto. Each of'the stems f9 and 2| projects through a" bonnet- 23, the bonnet 23' being arranged in threaded engagement with projecting, necks 145 which are formed integral with the valve body it: Suitable washers 25, Figure 3; are circumposed. on the valve stems l9 and" 21 for insuring a iiuidf tight connection or seal between the bonhet'iialve stems and body I If.

The stem l9 provided with a-plurality ofeir terior' therads 261- Figure 3, and the threads {51.

are arranged in engagement with an'interiorly threaded bore 2 1' which is formed in the body:

N. Similarly, the other stem 2! is provided wi-tlr a plurality of exterior threads 28 which are arff.

ranged in threaded engagement with an interi j orly threaded bore 29; The threads 28 a-n-d-f the threads 26 extendin reverse or opposite direc tions, so that the: valves 28 and 20 can be siniultaneously opened and closed.

The upper. end of the body- H] is enlarged at and the upper end of the body is provided" a slotit which has an inverted "T shape." theslot 3t includes afirst portion 32 which communicates with a wide portion 33, Figures fi and 6; The upper end of the body Ill i'salse provided. with aflatvhearing surfiace 34 andslidably supported on the bearing surface 34 is a split gear 3.5, Figure 7. The split gear 35' includes-a pair of spaced cars. 36 and It! which each have gear teethv thereom The gears 35 and 321* are connected by a transverse portion 3'9 and-the" cars 36 are. provided; opposed: slots at and. 4-0 for a purpose to be later described The ears 3% and. 3:1 of the split gear 35- slid ably embrace: a table or bracket 41, the tuzrntable: 4 k having a; circular opening 4 2 there in. The turn table H further has a post 43 pro-- jecting from its lower end and the post 43 projects through the portion 32 of the T-shaped slot 3|. Formed integral with the lower end of the post 43 or secured thereto is an annular head 44 which seats in the wide portion 33 of the slot 3| The turn table 4| has a pair of spaced parallel side walls 45 and 45' projecting upwardly therefrom, and a pin extends between the side walls 45 and 45' and is supported thereby. A sleeve 41 is supported on the pin- 46, and the sleeve 41 is'adapted to be contacted by an actuating lever 48, the sleeve 41 serving to limit downward movement of the lever 48.

An end of the manually operable actuating lever 48 projects into a cylindrical roller 58, there being a pin 49 securing the end of'the lever 48 to the roller 50. The roller 50 is rotatably arranged in the opening 42 in the turn table 4l.---

Carried by the roller 50 and arranged ofi cen ter with respect to the roller 50 is a pin 5|. The ends of the pin project beyond the. Sides of the roller 50. One end of the-p'in'5l seats in one of the slots 40 in the split gear 35, and the other end of the pin 5! seats in the other slot 48' in the split gear 35.

The operation of the liquid mixing valve is as follows;

The nipple I 4 is connected to a suitable source of liquid, such as cold water, 'while the other nipple I5 is connected to a liquid source of supply, such as hot water. Then, it will be seen that by raising the actuating lever 48 upwardly, the valves l8 and both moveinto closing relation with respect to the ports l8 and I! as shown in Figures 1 and 5 so that no water or liquid can flow into the cavity [3. This'closing action of the valves l8 and 20 occurs because as the lever 48 is 'raised,'it causes the roller 50 to rotate. Then, since the pin 5| is carried by the roller 58 and since the pin 5| projects into the slots 40 and 48 in the split'gear 35, the split gear 35 will be slid or moved forwardly. As the split gear 35 moves forwardly, it rotates both of'the stems l9 and 2| to-move the valve l8 and valve 28 into closing relation with respect to the ports IB and II. This rotation of the stems l8 and 2| is caused by the novel gear arrangement of the liquid mixing valve. The gear arrangement includes a gear 8 which is secured to the upper end of the stem I9, and the gear 9 has teeth 8 thereon which meshwith the teeth 38 on the gear 36. A similar gear 1 is secured to the upper end of the other stem 2|, and the gear 1' has teeth 6 thereon which mesh with the teeth 38 on the gear 31 of the split gear 35. Thus, it will be seen that asthe split 35 is moved forwardly by raising the lever 48, the gears 9 and 1 will be rotated to thereby rotate the stems I9 and 2| in opposite directions to cause the valves l8 and 20 to move into closing relation with respect to the ports I6 and I1.

When the liquid is to be dispensed through the discharge spout II, the actuating lever 48 is pivoted or moved to its lowered position as shown in Figures 2 and 6. This-downward movement of the lever 48 causes the split gear. 35 to be moved rearwardly and this results in the valve stems l9 and 2| rotating in opposite directions to thereby lift the valves l8 and 28 from the ports l6 and 11. Thus, with the valves l8 and 28 in the position shown in Figures. 2, 3 and 6, the fluid will flow through the nipples l4 and l5, into the cavity I3 and out through the dis.- charge spout ll. Further, the liquid mixing 4 valve is so constructed that the temperature and volume of the resulting stream of liquid emitted by the discharge spout II can be controlled as desired. Thus, the actuating lever 48 is moved to its lowered position as shown in Figure 4, and then the actuating lever 48 is rotated in the proper direction. Rotation of the actuating lever 48 causes the gears 9 and l to rotate in opposite directions to thereby cause movement of the valve 18 and valve 28. Thus, one of the valves l8 .or 28 can be moved into closing relation with respect to its respective port [6 or H, while the other valve remains open so that the temperature of the water emitted by the discharge spout can be controlled or regulated as desired.

Further, the gear arrangement is so constructed that excessive pressure on the gears will be prevented. Thus, the fulcrum post 43 projects into the slot 32 so that the post 43 is freely rotatable in the slot. Thus, the post 43 can move laterally to compensate for the turning motion of the split gear 35, thereby preventing excessive pressure on the intermeshing gears.

What I claim:

1. In a liquid mixing valve, a body having a pair of spaced ports for the ingress therethrough of separate liquid streams, there being a cavity in said body for receiving and mixing therein said streams, a valve mounted for movement into and'out of closing relation with respect to each of said ports, a stem secured to each'of said valves, a gear secured to each of said stems, there being an open ended slot arranged in the top of said body, a rotatable turn table supported on said body and having a split gear arranged in embracing relation with respect thereto, said split gear having teeth arranged in meshing engagement with the gears on said stems, and means for causing rotary and reciprocatory movement of said split gear to selectively move saidvalves into and out of bridging relation with respect to said ports.

2. In a liquid mixing valve, a body having a pair of spaced ports for the ingress therethrough of separate liquid streams, there being a cavity in said body for receiving and mixing therein said streams, a valve mounted for movement into and out of closing relation with respect to each of said ports, a stem secured to each of said valves, a gear secured to each of said stems, their being an open ended slot arranged in the top of said body, a rotatable turn table supported on said body and having a split gear arranged in embracing relation with respect thereto, said split gear having teeth arranged in meshing engagement with the gears on said stems, there being an opening in said turn table, a roller rotatably positioned in said opening, means connecting said roller to said turn table for reciprocating the latter, and manually operable means for moving said roller.

3. In a liquid mixing valve, a body having a pair of spaced ports for the ingress therethrough of separate liquid streams, there being a cavity in said body for receiving and mixing therein said streams, a valve mounted for movement into and out of closing relation with respect to each of said ports, a stem secured to each of said valves, a gear secured to each of said stems, there being an open ended slot arranged in the top of said body, a rotatable turn table supported on said body and having a split gear arranged in embracing relation with respect thereto, said split gear having teeth arranged in meshing engage- ,mentwith the gears on said stems, there being an opening in said turn table, a roller rotatably positioned in said opening, means connecting said roller to said turn table for reciprocating the latter, and manually operable means embodying an actuating lever having one end secured to said roller for moving the latter.

4. In a liquid mixing valve, a body having a pair of spaced ports for the ingress therethrough of separate liquid streams, there being a cavity in said body for receiving and mixing therein said streams, a valve mounted for movement into and out of closing relation with respect to each of said ports, a stem secured to each of said valves, a gear secured to each of said stems, there being an open ended slot arranged in the top of said body, a rotatable turn table supported on said body and having a split gear arranged in embracing relation with respect thereto, said split gear having teeth arranged in meshing engagement with the gears on said stems, there being an opening in said turn table, a roller rotatably positioned in said opening, there being a pair of opposed slots in said split gear, a pin arranged REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 2,453,809 Newcomer Nov. 16, 1948 2,46%, 158 Newcomer Mar. 15, 1949 FOREIGN PATENTS Number Country Date 492,052 Great Britain 1937 

